Machine for fastening uppers to insoles



July 11, 1939. K. ENGEL. ET AL- 2,165,361

IACHINE FOR FASTENING UPPERS TO INSOLES Filed March 9, 1938 3Sheets-Sheet 1 Fig.1.

July 11, 1939.

K, ENGEL ET AL IACHINE FcSR FASTENING UPPERS TO INSOLES Filed March 9,1958 3 Sheets-Sheet 2 igr3.

Patented July 11, 1939 5 UNITED STATES PATENT OFFICE MACHINE FORFASTENING UPPERS T0 INSOLES Application March 9, 1938, Serial No.194,804

15 Claims.

This invention relates to machines for fastening uppers to insoles, andis herein illustrated as. applied to a machine constructed generally asdisclosed in United States Letters Patent No,

1,558,737, granted on October 2'7, 1925 upon an application of R.F.McFeely, certain portions of the machine being constructed as furtherdisclosed in Letters Patent No. 1,852,015, granted on April 5, l932 uponan application of J. C. Jorgensen. Such machines are commonly used forlasting the heel ends of shoes, and an. object of the present inventionis to adapt a machine of that type forconvenient use to fasten the heelparts of uppers to insoles in the manufacture of shoes in which the heelparts of the uppers are unattached to the foreparts and are formed'ormolded substantially in final shape before they are assembled with theinsoles. It is to be understood, however, that the invention in its moregeneral aspects is not limited to the manufac ture of shoes of thatparticular character and is also not limited tomachine organizations ofthe particular type disclosed in the above-mentioned Letters Patent.

A heel-end-lasting machine of the above-mentioned type comprises wipersmovable to wipe the margin of the heelend of the upper inwardly over theinsole, means for driving a row of fas-- tenings to fasten the upper tothe insole, a heel band for clamping the upper about its heel end, and awork support movable to present the work to the m-eanswhich operatesthereon. It will be evident that, such a machine is appropriate for useto fastenthe previously formed or molded heel parts of uppers toinsolesin the manufacture of shoes in which the heel parts are unattached tothe foreparts, since the heel band will position the heel part in properrelation to a last or other form on which the insole and the heel partare mounted, the wipers will press the inturned flange of the heel partclose against the insole, and the fastening means will fasten the flangein proper relation to the insole. It is,

however, inconvenient for the operator to control the short loose heelpart with his fingers until the work support has carried the work to itsposition within the heel band. The present invention accordinglyprovides novel means for clamping the heel part against the form 'tomaintain it in proper relation to the form and the insole as the Worksupport receives its workpresenting movement. In a machine of theillustrated type the work support or jack is mounted for swingingmovement in a direction lengthwise of the form topresent the work; andfor purposes in view the construction herein shown comprises a devicearranged to engage and clamp the work only after the work support has received a portion of its swinging movement, the device being thereafteryieldingly movable about a different axis than the work support in re-.

sponse to pressure of the work thereon during the remainder of theswinging movement of the. work support. A machine of the illustratedtype further comprises means for moving a portion ofthe worksupportupwardly to raise the work substantially at the end of theswinging movement of the support, and the invention further provides anovel construction such that the clamping device is movable upwardlywith the work.

Insurance is thus afforded that the heel part of the upper will not bedisplaced'from its proper position before it is clamped by the heelband. The clamping device which thus moves with the Work is so formed asto permit it to lie within the heel band withoutinterfering with theclamping action of the band.

The novel features of the invention, including various novel details ofconstruction and combinations ofparts, will now be more particularlydescribed with reference to-the accompanying drawings and thereafterpointed out in the claims.

In the drawings, v Fig. l is a view partly in right-hand side elevationand partly in section of a portion of a machine of the illustrated typewith the present. invention embodied therein, showing the parts as theyappear after the work-presenting movement of the work support and afterthe inward movement of the wipers;

Fig. 2 is a view similar to Fig. 1 of a portion of the structure thereshown, but with the parts positioned as they appear after the worksup-..

port has received a portion only of its work presenting movement;

Fig. 3 is a view similar to Fig. 2, but showing the parts as they appearprior to the work-presenting movement of the work support;

Fig. 4 is a View mainly in front elevation of the novel work-clampingmeans provided by theinvention Fig. 5 shows the work-clamping meanspartly part of an upper before it is assembled with an insole on a form;and Y the Fig. '7 is a perspective .view of the work as it appears afterit has been operated upon by the machine.

As more fully disclosed in the previously mentioned Letters Patent, amachine of the illustrated type comprises, for lasting the heel end of ashoe, a heel band 2 which is formed to embrace the heel end of the upperand is closed at a predetermined time in the operation of the machine toclamp the upper against the last, a pair of wipers 6 (only one of whichis herein shown) for wiping the margin of the heel end of the upperinwardly over the insole, and upperfastening means comprising aplurality of tack drivers 6 carried inwardly by the wipers and movabledownwardly to drive a row of tacks through openings in the wipers tofasten the margin of the upper to the insole around the end and alongthe sides of the heel portion of the insole, the relation of theupper-fastening means to the wipers being more particularly disclosed inLetters Patent No. 1,852,015. The work is mounted on a work support orjack 8 comprising a casting I!) mounted on a shaft I2 for swingingmovement to carry the work to a position within the heel band and a postIt movable upwardly and downwardly in the casting iii and provided atits upper end with a pin H5 arranged to enter the spindle hole in theheel end of the last. Fast on the post I4 is an arm I 8 which serves asa support for a toe rest 29 under the toe end of the last. Beforestarting the power operation of the machine the operator swings the jackrearwardly by hand to carry the work to its position within the heelband, and by depression of a treadle 22 raises the post M to force thework upwardly against a holddown 24 which engages the insole and therebydetermines the position of the work heightwise relatively to the wipers4. The treadle 22 is connected by a link 26 to a lever 28 mounted on thelower end of the casting H], the front end of this lever underlying thelower end of a rack bar 39 which has an upward extension 32 supportingthe post Hi. It will be understood that by the depression of the treadle22 the front end of the lever 28 is raised to impart the upward movementto the rack bar and the post. Thereafter, in the power operation of themachine, the jack casting l0 and the post I 4 are controlledautomatically by mechanism constructed substantially as disclosed inLetters Patent No. 1,558,737. For this purpose a cam-operated slide 34is arranged to impart swinging movement to a bell-crank lever 38connected by a link 38 to pawl-and-ratchet mechanism 40. Through theaction of this pawl-andratchet mechanism a rack bar 42 pivotallyconnected at M to the jack casting H1 is operated by a pinion 46 toimpart further rearward swinging movement to the jack and thus to forcethe work firmly against the heel band 2. The bellcrank lever 36 isconnected by another link 43 to pawl-and-ratchet mechanism 59 throughwhich a pinion 52 on the shaft [2 is operated to raise the rack bar 36and the post M and thus to force the work more firmly up against theholddown 24. The work is thus pressed against the holddown yieldinglythrough a spring 54 controlling two relatively movable portions of thelink 48. For a more complete understanding of the construction thus fardescribed and of other characteristics of machines of the illustratedtype the previously mentioned Letters Patent may be consulted.

In a type of shoe in frequent use at the present time the heel part ofthe upper is unattached to the forepart and is, in fact, often separateda substantial distance lengthwise of the shoe from the forepart portion.In the manufacture of shoes of that type it is a common practice to moldthe heel portion of the upper materials substantially in the shaperequired for the finished shoe before assembling them with the insole.Such a molded heel part is shown at 55 in Fig. 6 and inclucles aninturned flange 58 formed to lie over the insole. It will be evidentthat preparatory to the fastening of such a molded heel part to theinsole, as by fastenings driven through the flange 58, all that isnecessary is to position the heel part in proper relation to the insoleand to a last or other form on which the insole is mounted. For thisfastening operation a heelend lasting machine of the illustrated typemay be advantageously utilized, since the heel band 2 will clamp theheel part of the upper closely about the form, the wipers will press theinturned flange of the heel part closely down on the insole, and thetack drivers 8 will drive the row of tacks required to fasten the flangeto the insole. ,It is, however, inconvenient, if not impracticable, forthe operator to hold the molded heel part in proper relation to the formwith his fingers until the work support has completed itswork-presenting movement, since the heel band in its open position isspaced but little from the sides of the form. For purposes of thepresent invention the machine herein shown is accordingly provided withmeans for clamping the heel part of the upper against the form tomaintain it in proper relation to the form as the work support receivesits work-presenting movement. As herein illustrated, the form consistsof an ordinary last on which the insole is fastened by tacks, but itwill be understood that a suitable form differing from an ordinary lastmay be used instead, if desired.

for engagement with the heel part of the upper without danger of marringthe upper. The plate 633 is secured to the upper end of a slide 66mounted for upward and downward movements The clamping device comprisesa thin metal plate St so shaped in guideways formed in two upwardlyextending arms 56 of a carrier t8. rierKFig. 4) are two screws iii bywhich it is pivotally mounted on ears '32 formed on the forward end of abracket "i i. The bracket "M is adjustably clamped on the rack bar 12 bya plate it and screws it. A spring '83 mounted in a recess in thecarrier 5% and engaging the bracket M tends to swing the carrier in onedirection about the screws iii and accordingly to hold the plate 8iyieldingly in clamping relation to the 7 heel part of the upper afterthe heelpart has been ciamped by the plate. By means a screw 82 threadedin the carrier E8 and a washer 8t between the lower end of the screw andthe spring 86 the amount of clamping force applied by the plate ill tothe heel part of the upper may be varied by varying'the compression ofthe spring. Cooperating with the spring 89 to determine the initialposition of the carrier t8 and the plate til is a nut 25 thread-ed on arod 83 h which is fast on the bracket Hi and extends upwardly through anopening 90 in the carrier 68. In order not to interfere with themounting of the work on the work support the nut 35 is preferably soadjusted that initially the plate 60 is Threaded in this car- 1 thispurpose the slide carries a spaced somewhat rearwardly from the Work, asillustrated in Fig. 3. The plate 60, therefore, does not clamp the heelpart of the upper against the last until after the work support hasbegun its rearward swinging movement. It will be understood that whilethe plate 60 and the means supporting the plate on the rack bar 42 aremoved bodily rearward with the rack bar during the swinging movement ofthe work support, the work nevertheless approaches the plate 60 until itis clamped by the plate by reason of the swinging movement of the worksupport about an axis located a considerable distance below thevrackbar. After the clamping of the heel part of the upper by the plate 60the carrier 68 swings about the screws I against the resistance of thespring 80 in response to the pressure of the work on the plate as thework support continues its swinging movement.

As previously explained, the operator not only swings the work supportrearwardly to carry the work to a position within the heel band 2, butalso raises the post I4 bymeans of the treadle 22 to position the workagainst the holddown 24.

Such upward movement of the post may be begun before the swingingmovement of the work support has been will preferably not be raised intoactual engagement with the holddown until the Work support arrivessubstantially at movement; In ,order not to disturb the relation of theclamping plate 68 to the heel part 56, there is provided means forraising the plate with the work by upward movement of theslide 64. Foryoke member 92 formed partially to embrace the post'M and arranged to beengaged by a shoulder 94 on the post. The yoke member has formed thereona stud 96 extending rearwardly through aslot 98 in the slide 64 andhaving threaded on its rear end a nut I90 whereby the yoke member isclamped adjustably to the slide. It will accordingly be understood thatwhen the post I4 is raised it acts also to raise the 60. Such upwardmovement of the slide is effected against the resistance of a spring I02connected to a pin I04 on the slide and to a pin I06 on one of the arms66. To determine adjustably the initial height of the plate'fiilin'accordance with the size 'of the shoe, a plate I08 is clamped by ascrew III! to one of the arms 66 and is arranged to be engaged by a lugI I2 on the slide 64, this screw extending through a vertical slot H4 inthe plate H18.

In the illustrated use of the machine constructed as described theoperator mounts on the last pin I6 and the toe rest 20 a last with aninsole I I6 fastened by tacks on its bottom face, the shoe support 8 atthat time occupying its initial forwardly inclined position, as shown inFig. 3. He then places a molded upper heel part 56 on the heel end ofthe last with its flange 58'overlapping the insole and swings the worksupport rearwardly by hand, preferably holding the heel part in placewith his fingers, as hemay conveniently do, until itis carried by thework support into position to be clamped by the plate 60. During furtherrearward swinging movement of the work support thereafter the plate 60and its holder 6 are swung about the screws 10 in response to pressureof the work on the plate, the

latter being held in clamping relation to the heel.

part 56 by the spring 80. The operator may begin to raise the post. I4by means of the treadle 22, before the work support arrives at the endof completed, although the work the end of its swinging slide 64 and theplate 7 its rearward swinging movement, as illustrated in Fig. 2, andwill further depress the treadle thereafter to force the work upwardlyuntil the insole engages the holddown 24. Since the yoke member 92 is inposition to be engaged by the shoulder 94 on the post I4 even when thework support is in its initial position, as illustrated in Fig. 3, anyupward movement of the post imparts a corresponding upward movement tothe plate 60 so that the plate remains in the same relation heightwiseof the last to the heel part 56 as the work is raised by the treadle.After the work has been presented as described, the operator starts thepower operation of the machine. Shortly after the starting of themachine the work support is further operated through thepawl-and-ratchet mechanisms 49 and 50 to force the work more firmly backagainst the heel band and to press it firmly upward against the holddown24, and the heel band is closed about the heel end of the last, pressingthe molded heel part 56 close to the last and to the edge of the insole.The mechanism with which machines of the illustrated type are providedfor controlling the holddown 26 will preferably be so adjusted. that theholddown will receive no vertical movement in the course of theoperation of the machine. After the closing of the heel band the wipers4 receive their inward wiping movement over the insole and thereby pressthe inturned flange 58 close against the bottom face of the insole.Instead of being then retracted and moved inwardly again in the mannercharacteristic of machines of the illustrated type, the wipers may, bysuitable alteration of the shape of the cam which operates them, be heldstationary after their above-mentioned inward movement until the tackdrivers 6 are operated to drive their tacks through the flange 58 andinto the insole to fasten the flange to the insole. After the driving ofthe tacks the wipers are retracted and the :other parts of the machineare returned to their startingpositions, the work support being releasedto permit it to swing forwardly and to permit downward return movementof the post I4. The work, in the condition-illustrated in Fig. 7, isthen removed from the work support preparatory to further operationsthereon in the manufacture of the shoe.

' While the mechanism provided by this invention is herein shown anddescribed as operating on the previously molded heel part of an upper,it will be understood that such mechanism may, if desired, be used inoperating on any other kind of work where such use may be found advantageous.

Having described the invention, What we claim as new and desire tosecure by Letters Patent of the United States is: i

1. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of up pers unattached'to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted for swingingmovement in a direction lengthwise of the form to present the work tothe fastening means, and a member into engagement with which the heelpart of the upper is carried by such movement of the work support prior.to the completion of that movement, said member being mounted to swingabout a different axis than the work support throughout the remainder ofsaid movement of the support while holding the heel part of the upperclamped against the form.

2. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, a heel band for embracing the heel part of theupper and clamping it against the form, said work support being mountedfor swinging movement in a direotion lengthwise of the form to presentthe work within the heel band, and a member for engaging the heel partof the upper and clamping it against the end face of the form, saidmember being movable about a different axis than the work support inresponse to pressure of the work thereon as the work support is thusmoved to present the work.

3. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being movable in a directionlengthwise of the form to present the work to the fastening means, amember pivotally connected to the work support for further moving it inthat direction, and a device supported by said member for clamping theheel part of the upper against the form as the work support receives itswork-presenting movement.

4. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted for swingingmovement in a direction lengthwise of the form to present the work tothe fastening means, a member pivotally connected to the work supportfor further swinging it in that direction, and a device supported bysaid member for clamping the heel part of the upper against the form asthe work support receives its Work-presenting movement, said devicebeing mounted to swing relatively to said member about a different axisthan the work support while in clamping relation to the work.

5. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted for swingingmovement in a direc-- tion lengthwise of the form to present the work tothe fastening means, and a device arranged to engage the heel part ofthe upper and clamp it against the form only after the Work support hasreceived a portion of its work-presenting movement, said device beingmovable about a different axis than the work support in response topressure of the work thereon throughout the remainder of said movementof the support while also moving bodily in the same direction as thesupport.

6. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted for swingingmovement in a direction lengthwise of the form to present the work tothe fastening means, a member arranged to engage the heel part of theupper and clamp it against the form, said member being mounted to swingin directions lengthwise of the form about a different axis than thework support, a spring against the resistance of which the member ismovable about its axis in response to pressure of the work against it asthe work support receives its work-pressing movement, and means forpositioning the member in such relation to the work support as to engagethe work only after the beginning of the work-presenting movement of thesupport.

7. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support be ing mounted forwork-presenting movement in a direction lengthwise of the form andcomprising a member movable also in an upward direc tion relatively toother portions of said support to raise the work, means for operatingsaid member thus to raise the work substantially at the end of saidwork-presenting movement of the work support, and a device arranged toclamp the heel part of the upper against the form during a substantialportion of said work-presenting movement of the support, said devicebeing movable with the work in both said directions.

8. In a machine for fastening in lasted relation toinsoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a formwith an insole and such a formedheel part'of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted forwork-presenting movement in a direction lengthwise of the form andcomprising member movable also in an upward direction relatively toother portions of said support to raise the work, means for operatingsaid member thus to raise the work substantially at the end of saidwork-presenting movement of the work support, a device arranged toengage the ,heel part of the upper and clamp it against the form, saiddevice being movable with the Work as the work support is moved in thedirection lengthwise of the form, and means arranged to be operated bythe upward movement of said member to raise said device with the work,

9. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork sup port arranged to support a form with an insole and such aformed heel part of an upper mounted thereon, means for fastening saidheel part to the insole around the end and along the sides of the heelportion of the insole, said work support being tion, and a devicearranged to engage the heel with the work during further such movementof the work support, and means for raising said de vice with the work.

10. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork support arranged to support a form with an insole and such a formedheel part of an upper mounted thereon, means for fastening said heelpart to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted for swingingmovement in a direction lengthwise of the form from workreceivingposition and comprising a member movable also in an upward direction toraise the work, and a device arranged to engage the heel part of theupper and clamp it against the form as the work support receives itsswinging movement, said device being movable about a different axis thanthe work support while in clamping relation to the work and being alsomovable upwardly with the work.

11. In a machine for fastening in lasted relation to insoles thepreviously formed heel parts of uppers unattached to the foreparts, awork sup port arranged to support a form with an insole and such aformed heel part of an upper mounted thereon, means for fastening saidheel part to the insole around the end and along the sides of the heelportion of the insole, said work support being mounted for swingingmovement in a direction lengthwise of the form from Work-receivingposition and comprising a member movable also in an upward direction toraise the work, a device arranged to engage the heel part of the upperand clamp it against the form only after the work support has received aportion of its swinging movement and movable thereafter about adifferent axis than the work support as the latter continues itsswinging movement, means for raising said device with the work by theupward movement of said member, and a spring against the resistance ofwhich the device is thus movable upwardly with the work. 7

12. In a machine for fastening uppers to insoles, the combination withupper-fastening means, of a work support arranged to support a form withan upper and an insole thereon and mounted for swinging movement in adirection lengthwise of the form from work-receiving posiend of theupper and clamp it against the form as the work support receives itsswinging movement, said device being mounted to swing about a differentaxis than the work support in response to pressure of the work thereonwhile thus engag ing the upper.

13. In a machine for fastening uppers to insoles, the combination withupper-fastening means, of a work support arranged to support a form withan upper and an insole thereon and mounted for swinging movement in adirection lengthwise of the form from work-receiving position, a devicearranged to engage the heel end of the upper and clamp it againsttheform only after the work support has received a portion of itsswinging movement and movable thereafter about a different axis than thework support in response to pressure of the work thereon as the worksupport continues its swinging movement, and spring means against theresistance of which said device is thus movable about its axis.

14. In a machine for fastening uppers to insoles, the combination withupper-fastening means, of a work support arranged to support a form withan upper and an insole mounted thereon, a heel band, said work supportbeing mounted for work-presenting movement in a direction lengthwise ofthe form to position the work within the heel band and comprising amember mov able also in an upward-direction to raise the work,

means for operating said member thus to raise the work substantially atthe end of said workpresenting movement of the work support, and adevice arranged to clamp the heel end of the upper against the form,said device being movable in a direction lengthwise of the form inresponse to pressure of the work thereon as the work support receivesits movement in that direction and being also movable upwardly with thework when the latter is raised by said member.

15. In a machine for fastening uppers to insoles, the combination withupper-fastening means, of a work support arranged to support a form withan upper and an insole mounted thereon, said work support being mountedfor swinging movement in a direction lengthwise of the form fromwork-receiving position and comprising a member movable also in anupward direction to raise the work, means for operating said member thusto raise the work substantially at the end of said swinging movement ofthe work support, a device arranged to engage the heel end of the upperand clamp it against the form only after the work support has received aportion of its swing-v ing movement and movable thereafter about adifferent axis than the work support in response to pressure of the workthereon as the work support continues its swinging movement, and meansfor raising said device with the work by the upward movement of saidmember.

KARL ENGEL. CHARLES S. KINNE Y.

- CERTIFICATE OF CORRECTION.

Patent No. 2,1 65,561.- July 11, 1959;

KARL ENGEL, ET AL.

It is hereby certified that error appears in the printed epec ificationof the ebove numbered patent requiring correction as follows: Page LL,sec- 0nd column, line 21, claim 6, for the word "work-pressing" read-work presenting; and that the said Letters Patent should be read, withthis correction therein that the same may conform to the record of theease in the Patent Office. I

Signed arid sealed this 7th day of May, A. D. 19m.

l Henry Van" Arsdale, (Seal) Acting Commissioner of Patents.

